Telmisartan oral: Uses. Side Effect, how to use, Interaction, Precaution, warning & more

Telmisartan oral: Uses. Side Effect, how to use, Interaction, Precaution, warning & more


This drug is prescribed for the treatment of high blood pressure, also known as hypertension. Its main goal is to reduce the risk of strokes, heart attacks, and kidney issues caused by high blood pressure. Telmisartan belongs to the pharmacological class known as angiotensin receptor blockers (ARBs). Its mode of action involves relaxing blood vessels, allowing for easier blood flow.


Before starting Telmisartan, please read the Patient Information Leaflet issued by your pharmacist and return to it with each subsequent refill. If you have any questions, it is best to consult with your healthcare professional or pharmacist.

Administer this medication orally, usually once daily, with or without meal, as advised by your healthcare professional. The dosage is determined by your medical condition and reaction to treatment.

To maximize the therapeutic advantages of this drug, take it on a regular basis. To improve compliance, try to take it at the same time every day. Continue with the suggested course even if you are feeling fine, because people with hypertension may not have visible symptoms. It may take up to four weeks for the full therapeutic effects of this medicine to be realized in the treatment of high blood pressure.

Side Effect

During the initial stages of drug adjustment, dizziness or lightheadedness may occur. If either of these side effects persists or worsens, contact your healthcare professional or pharmacist right away.

Exercise caution and gradually rise from a seated or recumbent posture to reduce the probability of dizziness and lightheadedness.

It is critical to remember that your doctor prescribed this medication because he or she assessed that the benefits outweighed the potential risks of side effects. A large majority of people who use this medicine do not have serious adverse effects.

If you have any serious side effects, such as fainting or symptoms of a high potassium blood level (such as muscle weakness or a sluggish/irregular heartbeat), contact your doctor immediately.

While telmisartan may be used to prevent or cure renal problems, it is crucial to highlight that it can occasionally cause major kidney complications or exacerbate pre-existing disorders. Throughout the course of your telmisartan treatment, your doctor will closely check your kidney function. If you see any signs of kidney disease, such as changes in urine output, you must notify your doctor immediately.

Although it is exceedingly unlikely, a serious allergic reaction to this medicine may occur. If any of the following symptoms of a severe allergic reaction are seen, seek immediate medical attention: rash, severe itching or swelling, particularly of the face, tongue, or throat, severe dizziness, or breathing difficulty.

It is crucial to note that the above list does not include all possible adverse effects. If you experience any other side effects that are not listed above, contact your doctor or pharmacist right once.


If taken during pregnancy, this medicine has the potential to cause serious, and possibly fatal, harm to an unborn fetus. It is critical to take precautions to avoid pregnancy when taking this drug. It is advised to check with your doctor for more detailed information and to consider using reliable forms of birth control concurrently with this medicine. If you are planning a pregnancy, discovered a pregnancy, or suspect a pregnancy, you must notify your doctor as soon as possible.


It is critical to inform your healthcare practitioner or pharmacist of any known allergies to this drug or any other substances before starting telmisartan. This product may contain inactive ingredients that can cause allergic reactions or other side effects. It is best to acquire additional information from your pharmacist in this regard.

Before using this drug, inform your healthcare provider or pharmacist of your medical history, paying special attention to problems such as liver illness, bile duct obstruction, excessive potassium levels in the blood, and dehydration.

This medication may cause dizziness when taken. The use of alcohol or marijuana (cannabis) can amplify this impact. It is strongly advised to avoid driving, using machinery, or engaging in activities that need heightened alertness until such time as it is safe to do so. It is also advised to limit your consumption of alcoholic beverages. If you use marijuana (cannabis), you should talk to your doctor about it.

Excessive sweating, diarrhea, or vomiting have all been linked to lightheadedness. Prolonged bouts of diarrhea or vomiting should be reported to your doctor as soon as possible.


Interactions between pharmaceuticals have the potential to change therapeutic efficacy or increase the likelihood of major side effects. This guide does not cover all possible medication interactions. Maintain a detailed list of all products you use, including prescription and nonprescription pharmaceuticals, as well as herbal products, and share this information with both your doctor and pharmacist. Changing the start, stop, or dosage of any medications should only be done with your doctor’s express permission.

Certain drugs, including but not limited to aliskiren, lithium, and medications that may raise potassium levels in the blood, such as sparsentan, ACE inhibitors like benazepril/lisinopril, and birth control pills containing drospirenone, may interact with this drug.

Furthermore, certain items may contain ingredients that can raise blood pressure or worsen heart failure. It is critical to inform your pharmacist about the products you are currently using and to obtain advice on their safe usage, especially when it comes to cough and cold remedies, diet supplements, or NSAIDs like ibuprofen/naproxen.


Do not share this medication with anybody other than the recommended patient.

During the course of this drug, regular medical assessments and laboratory tests, including evaluations of kidney function and potassium levels, are advised. It is critical to keep all scheduled medical and laboratory appointments. It is recommended that you check with your doctor for more information.

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